GB1577426A - Purification of copolymers containing crotonic acid - Google Patents

Purification of copolymers containing crotonic acid Download PDF

Info

Publication number
GB1577426A
GB1577426A GB21091/77A GB2109177A GB1577426A GB 1577426 A GB1577426 A GB 1577426A GB 21091/77 A GB21091/77 A GB 21091/77A GB 2109177 A GB2109177 A GB 2109177A GB 1577426 A GB1577426 A GB 1577426A
Authority
GB
United Kingdom
Prior art keywords
water
crotonic acid
copolymer
extraction
particles
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB21091/77A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BASF SE
Original Assignee
BASF SE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BASF SE filed Critical BASF SE
Publication of GB1577426A publication Critical patent/GB1577426A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means
    • C08F6/003—Removal of residual monomers by physical means from polymer solutions, suspensions, dispersions or emulsions without recovery of the polymer therefrom

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB21091/77A 1976-05-20 1977-05-19 Purification of copolymers containing crotonic acid Expired GB1577426A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2622463A DE2622463C3 (de) 1976-05-20 1976-05-20 Verfahren zur Reinigung von crotonsäurehaltigen Copolymerisaten

Publications (1)

Publication Number Publication Date
GB1577426A true GB1577426A (en) 1980-10-22

Family

ID=5978481

Family Applications (1)

Application Number Title Priority Date Filing Date
GB21091/77A Expired GB1577426A (en) 1976-05-20 1977-05-19 Purification of copolymers containing crotonic acid

Country Status (4)

Country Link
US (1) US4086413A (de)
DE (1) DE2622463C3 (de)
FR (1) FR2352004A1 (de)
GB (1) GB1577426A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2388069A1 (fr) * 1977-04-22 1978-11-17 Rhone Poulenc Ind Liant pour la fabrication de non-tisses
DE3515712A1 (de) * 1985-05-02 1986-11-06 Henkel KGaA, 4000 Düsseldorf Bleichwirkstoff, seine herstellung und seine verwendung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE803956C (de) * 1948-10-02 1951-04-12 Consortium Elektrochem Ind Verfahren zur Herstellung feinkoerniger Emulsionen von Polyvinylacetat
US3169950A (en) * 1961-05-15 1965-02-16 Eastman Kodak Co Process for deodorizing polymers
US3373145A (en) * 1965-04-29 1968-03-12 Allied Chem Washing of polymer particulates by regular periodic ebb and flow of aqueous solvent
DE1679833B2 (de) * 1966-08-02 1973-06-28 Karl Fischer Apparate & Rohrlei tungsbau, 1000 Berlin Verfahren und vorrichtung zum kontinuierlichen extrahieren von niedermolekularen anteilen aus polyepsilon-caprolactam
US3484420A (en) * 1966-10-17 1969-12-16 Yuzo Chihara Vinyl acetate crotonic acid-higher alkylcrotonate terpolymers
CH535798A (fr) * 1969-06-12 1973-04-15 Oreal Procédé de préparation de copolymères homogènes
DE2242641C3 (de) * 1972-08-30 1980-06-19 Basf Ag, 6700 Ludwigshafen Verfahren zum kontinuierlichen Extrahieren von Polylactamen

Also Published As

Publication number Publication date
DE2622463B2 (de) 1981-04-02
DE2622463A1 (de) 1977-12-08
DE2622463C3 (de) 1985-06-05
FR2352004A1 (fr) 1977-12-16
FR2352004B1 (de) 1983-07-22
US4086413A (en) 1978-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930519